check for CAU admin settings. Disable and enqueue CiviCRM style sheet in...

check for CAU admin settings.   Disable and enqueue CiviCRM style sheet in admin only if CAU setting is not to pretiffy.  If CAU admin style is enabled allow CAU to handle all admin styles

csshelper.php

@@ -139,7 +139,45 @@ function csshelper_civicrm_preProcess($formName, &$form) {
 
 */
 
+/*Enqueue default CiviCRM CSS in admin.  Create a filter to allow themes and other plugins to overrride */
 
+function csshelper_deregister_civicrm_admin_styles() {
+	//Bail if not in Admin
+	if ( ! is_admin() ) return;
+
+	// Bail if admin css is disabled by CAU
+	if ( csshelper_cau_has_disabled_admin_css() ) return;
+
+	// Disable natively.
+	$url          = CRM_Core_Resources::singleton()->getUrl( 'civicrm', 'css/civicrm.css', true );
+	$registration = CRM_Core_Region::instance( 'html-header' )->get( $url );
+	if ( ! empty( $registration ) ) {
+		CRM_Core_Region::instance( 'html-header' )->update( $url, array( 'disabled' => true ) );
+
+	}
+}
+
+if ( function_exists( 'civi_wp' ) ) {
+	add_action( 'admin_head', 'csshelper_deregister_civicrm_admin_styles', 9 );
+}
+
+
+function csshelper_register_admin_civicrm_styles() {
+	if ( ! function_exists( 'civi_wp' ) ) {
+		return;
+	}
+	// Bail if admin css is disabled by CAU
+	if ( csshelper_cau_has_disabled_admin_css() ) {
+		return;
+	}
+	$tc_civi_css_admin = ( plugin_dir_url( 'civicrm' ) . 'civicrm/civicrm/css/civicrm.css' );
+	$tc_civi_css_admin = apply_filters( 'tc_civicss_override_admin', $tc_civi_css_admin );
+	wp_enqueue_style( 'tad_admin_civicrm', $tc_civi_css_admin );
+}
+
+if ( function_exists( 'civi_wp' ) ) {
+	add_action( 'admin_enqueue_scripts', 'csshelper_register_admin_civicrm_styles' );
+}
 
 /**
  * Disable CiviCRM's default CSS on front end.
@@ -196,6 +234,20 @@ function csshelper_cau_has_disabled_css() {
   // If there's no CAU, it can't have done so.
   if ( ! function_exists('civicrm_au') ) return false;
 
+  // Get setting and return as boolean.
+  $disabled = civicrm_au()->single->setting_get( 'css_default', '0' );
+  return ($disabled == '1') ? true : false;
+
+}
+
+/**
+ * Check if CAU has disabled Default CSS in admnin.
+ */
+function csshelper_cau_has_disabled_admin_css() {
+
+	// If there's no CAU, it can't have done so.
+	if ( ! function_exists('civicrm_au') ) return false;
+
 	// Get setting and return as boolean.
 	$disabled = civicrm_au()->single->setting_get( 'css_admin', '0' );
 	return ($disabled == '1') ? true : false;